If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Spot 5 differences in two Christmas tree below:

After teaching his class all about Roman numerals (X = 10, IX=9 and so on) the teacher asked his class to draw a single continuous line and turn IX into 6. The teacher's only stipulation was that the pen could not be lifted from the paper until the line was complete.

A rain drop fell from one leaf to another leaf and lost 1/4th of its volume. It then fell to another leaf and lost 1/5th of the volume. It again fell on another leaf and lost 1/5th of the volume.



This process kept repeating till it fell on the last leaf losing 1/75th of its volume.



Can you calculate the total percentage of loss from the initial volume when the drop has fallen to the last leaf accurate up to two decimal places?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

A word I know has six letters it contains, remove one letter and 12 remain. What is it?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

During which month do people sleep the least?